Ответ:
Пошаговое объяснение:
3/х = 11/15 - 2/15
3/x = 9/15
9*x = 15 * 3
9x = 45
x = 45:9
x = 5
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Ответ:
Пошаговое объяснение:
3/х = 11/15 - 2/15
3/x = 9/15
9*x = 15 * 3
9x = 45
x = 45:9
x = 5